Perhaps you should try some spelling variations:
"coder coding switch routing problem" » "coder coding with routing problem" (Expand search), "coder coding switch regulating problem" (Expand search), "coder coding speech routing problem" (Expand search), "coder saving switch routing problem" (Expand search), "modern coding switch routing problem" (Expand search), "color coding switch routing problem" (Expand search), "odor coding switch routing problem" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coding switch routing problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding switch routing problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding switch routing problem ) OR ( api python python python programming ))*.